Machine having adjustable knives for continuously slitting a roll of material into strips of predetermined width



FIG. 1 is a top, front and left side perspective view of a machine having adjustable knives for continuously slitting a roll of material into strips of predetermined width showing my new design;

FIG. 2 is a top, front and right side perspective view;

FIG. 3 is another top, front and left side perspective view; and,

FIG. 4 is another top, front and right side perspective view thereof.

The broken lines shown in FIG. 1. of the drawings are for illustrive purposes only and form no part of the claimed design. 

I claim the ornamental design for a machine having adjustable knifes for continuously slitting a roll of material into strips of predetermined width, as shown. 